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Note 3 - Intangible Assets - Components of Other Intangible Assets (Details) - USD ($) $ in Millions | Mar. 31, 2026 | Dec. 31, 2025
--- | --- | ---
Amortizable intangible assets, accumulated impairment and amortization | $ (77) | $ (85)
Intangible Asset, Excluding Goodwill, before Accumulated Amortization | 138 | 156
Intangible Asset, Excluding Goodwill, after Accumulated Amortization | 61 | 71
Trademarks and Trade Names 1 [Member] |  |
Trademarks and trade names | 36 | 39
Trademarks and trade names | $ 36 | 39
Core Technology [Member] |  |
Weighted average useful life (Year) | 11 years |
Amortizable intangible assets, gross carrying amount | $ 42 | 50
Amortizable intangible assets, accumulated impairment and amortization | (27) | (32)
Amortizable intangible assets, net carrying amount | $ 15 | 18
Customer Relationships [Member] |  |
Weighted average useful life (Year) | 11 years |
Amortizable intangible assets, gross carrying amount | $ 60 | 67
Amortizable intangible assets, accumulated impairment and amortization | (50) | (53)
Amortizable intangible assets, net carrying amount | $ 10 | $ 14

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